218312557729920

Names of 218312557729920

• Cardinal: 218312557729920 can be written as Two hundred eighteen trillion, three hundred twelve billion, five hundred fifty-seven million, seven hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.1831255772992 × 10¹⁴

Factors of 218312557729920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 642398132

Divisors of 218312557729920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 59 60 64 72 80 90 96 118 120 128 144 160 177 180 192 236 240 288 295 320 354 360 384 472 480 531 576 590 640 708 720 885 944 960 1062 1152 1180 1416 1440 1770 1888 1920 2124 2360 2655 2832 2880 3540 3776 4248 4720 5310 5664 5760 7080 7552 8496 9440 10620 11328 14160 16992 18880 21240 22656 28320 33984 37760 42480 56640 67968 84960 113280 169920 339840 642398063 1284796126 1927194189 2569592252 3211990315 3854388378 5139184504 5781582567 6423980630 7708776756 9635970945 10278369008 11563165134 12847961260 15417553512 19271941890 20556738016 23126330268 25695922520 28907912835 30835107024 37901485717 38543883780 41113476032 46252660536 51391845040 57815825670 61670214048 75802971434 77087767560 82226952064 92505321072 102783690080 113704457151 115631651340 123340428096 151605942868 154175535120 185010642144 189507428585 205567380160 227408914302 231263302680 246680856192 303211885736 308351070240 341113371453 370021284288 379014857170 411134760320 454817828604 462526605360 568522285755 606423771472 616702140480 682226742906 740042568576 758029714340 909635657208 925053210720 1137044571510 1212847542944 1233404280960 1364453485812 1516059428680 1705566857265 1819271314416 1850106421440 2274089143020 2425695085888 2728906971624 3032118857360 3411133714530 3638542628832 3700212842880 4548178286040 4851390171776 5457813943248 6064237714720 6822267429060 7277085257664 9096356572080 10915627886496 12128475429440 13644534858120 14554170515328 18192713144160 21831255772992 24256950858880 27289069716240 36385426288320 43662511545984 54578139432480 72770852576640 109156278864960 218312557729920
• Sum of all divisors σ(n): 766637849577600
• Sum of proper divisors (its aliquot sum) s(n): 548325291847680
• 218312557729920 is an abundant number, because the sum of its proper divisors (548325291847680) is greater than itself. Its abundance is 330012734117760

Bases of 218312557729920

• Binary: 110001101000110111011010011101000001100010000000₂
• Hexadecimal: 0xC68DDA741880
• Base-36: 25DVEK7J40

Squares and roots of 218312557729920

• 218312557729920 squared (218312557729920²) is 47660372862579652743663206400
• 218312557729920 cubed (218312557729920³) is 10404857901991432966495320266657412415488000
• The square root of 218312557729920 is 14775403.8093691369
• The cube root of 218312557729920 is 60213.3660650393

Scales and comparisons

• 218,312,557,729,920 seconds is equal to 6,941,664 years, 2 weeks, 4 days, 11 hours, 12 minutes.
• To count from 1 to 218,312,557,729,920 would take you about seventeen million, three hundred fifty-four thousand, one hundred sixty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 218312557729920 cubic inches would be around 5017.8 feet tall.

Recreational maths with 218312557729920

• 218312557729920 backwards is 029927755213812
• The number of decimal digits it has is: 15
• The sum of 218312557729920's digits is 63
• More coming soon!